CVE & CISA-KEV Catalog

CVE-2016-7916

MEDIUM
5.5
CVSS v3
NVD

Description

Race condition in the environ_read function in fs/proc/base.c in the Linux kernel before 4.5.4 allows local users to obtain sensitive information from kernel memory by reading a /proc/*/environ file during a process-setup time interval in which environment-variable copying is incomplete.

How to fix

Remediation Available
linuxDebian
Fixed in:4.5.4-1CVE-2016-7916
Fixed in:4.5.4-1CVE-2016-7916
Fixed in:4.5.4-1CVE-2016-7916
Fixed in:4.5.4-1CVE-2016-7916
linuxUbuntu
Fixed in:3.13.0-106.153USN-3160-1
linux-image-3.13.0-106-genericUbuntu
Fixed in:3.13.0-106.153USN-3160-1
linux-image-3.13.0-106-generic-lpaeUbuntu
Fixed in:3.13.0-106.153USN-3160-1
linux-image-3.13.0-106-lowlatencyUbuntu
Fixed in:3.13.0-106.153USN-3160-1
linux-image-3.13.0-106-powerpc-e500Ubuntu
Fixed in:3.13.0-106.153USN-3160-1
linux-image-3.13.0-106-powerpc-e500mcUbuntu
Fixed in:3.13.0-106.153USN-3160-1
linux-image-3.13.0-106-powerpc-smpUbuntu
Fixed in:3.13.0-106.153USN-3160-1
linux-image-3.13.0-106-powerpc64-embUbuntu
Fixed in:3.13.0-106.153USN-3160-1
linux-image-3.13.0-106-powerpc64-smpUbuntu
Fixed in:3.13.0-106.153USN-3160-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityNone
AvailabilityNone

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Exploit Intelligence

0.39%probability of exploitation in 30 days
31stpercentile

Low risk: more likely to be exploited than 31% of all known CVEs.

References

Related Vulnerabilities

Other CWE-362 (Race Condition) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2024-6387High8.1100%-Fix
CVE-2023-36884High7.599%KEV + RansomFix
CVE-2018-15473Medium5.399%-Fix
CVE-2024-27983High8.287%-Fix
CVE-2014-0226Medium6.886%-Fix
CVE-2016-5195High7.084%KEVFix
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.